:root {
  --color-primary: #ff385c;
  --color-primary-active: #e00b41;
  --color-ink: #222222;
  --color-body: #3f3f3f;
  --color-muted: #6a6a6a;
  --color-muted-soft: #929292;
  --color-hairline: #dddddd;
  --color-hairline-soft: #ebebeb;
  --color-canvas: #ffffff;
  --color-surface-soft: #f7f7f7;
  --color-surface-strong: #f2f2f2;
  --color-on-primary: #ffffff;
  --color-legal-link: #428bff;
  --font: "Airbnb Cereal VF", Circular, system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --rounded-sm: 8px;
  --rounded-md: 14px;
  --rounded-lg: 20px;
  --rounded-full: 9999px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-base: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --shadow: rgba(0, 0, 0, 0.02) 0 0 0 1px, rgba(0, 0, 0, 0.04) 0 2px 6px, rgba(0, 0, 0, 0.1) 0 4px 8px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--color-ink);
  background: var(--color-canvas);
  line-height: 1.5;
  font-size: 16px;
}
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

.header { padding: 16px 0; }
.header-inner { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; min-height: 64px; }
.logo { font-weight: 700; color: var(--color-primary); font-size: 22px; }
.logo:hover { text-decoration: none; }
.search {
  flex: 1; min-width: 220px; display: flex; align-items: center;
  background: var(--color-canvas); border-radius: var(--rounded-full);
  box-shadow: var(--shadow); overflow: hidden; height: 48px;
}
.search input {
  flex: 1; padding: 8px 20px; border: 0; font: inherit; background: transparent;
}
.search input:focus { outline: none; }
.search button {
  width: 40px; height: 40px; margin-right: 4px; border: 0; border-radius: var(--rounded-full);
  background: var(--color-primary); color: var(--color-on-primary);
  font: inherit; font-size: 12px; font-weight: 500; cursor: pointer;
}
.links { display: flex; gap: 16px; font-size: 14px; font-weight: 600; }
.links a { color: var(--color-ink); }

.nav { border-bottom: 1px solid var(--color-hairline-soft); }
.nav-inner { display: flex; flex-wrap: wrap; gap: 4px 24px; padding: 8px 24px 16px; }
.nav a { color: var(--color-muted); font-size: 14px; font-weight: 500; padding-bottom: 8px; border-bottom: 2px solid transparent; }
.nav a:hover { text-decoration: none; color: var(--color-ink); }
.nav a.on { color: var(--color-ink); font-weight: 600; border-bottom-color: var(--color-ink); }

.hero { padding: 16px 0 8px; }
.ph {
  background: var(--color-surface-strong); color: var(--color-muted-soft);
  display: flex; align-items: center; justify-content: center; font-size: 13px;
  border-radius: var(--rounded-md); position: relative;
}
.banner { height: 220px; }

.section { padding: 32px 0; }
.section h2 { font-size: 22px; font-weight: 500; letter-spacing: -0.44px; margin: 0 0 16px; }

.cats { display: flex; flex-wrap: wrap; gap: 8px; }
.cats a {
  border: 1px solid var(--color-hairline); padding: 10px 20px;
  color: var(--color-ink); font-size: 14px; font-weight: 500;
  border-radius: var(--rounded-full);
}
.cats a:hover { text-decoration: none; border-color: var(--color-ink); }

.products { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.item { color: var(--color-ink); }
.item:hover { text-decoration: none; }
.item .ph { height: 180px; margin-bottom: 8px; }
.item h3 { margin: 0 0 4px; font-size: 16px; font-weight: 600; }
.price { color: var(--color-ink); font-weight: 600; font-size: 14px; }
.sub { color: var(--color-muted); font-size: 13px; }
.badge {
  position: absolute; top: 10px; left: 10px;
  background: var(--color-canvas); color: var(--color-ink);
  font-size: 11px; font-weight: 600;
  border-radius: var(--rounded-full); padding: 4px 10px;
  box-shadow: var(--shadow);
}

.layout { display: grid; grid-template-columns: 200px 1fr; gap: 32px; padding: 32px 0; }
.side a {
  display: block; padding: 12px 0; color: var(--color-ink);
  border-bottom: 1px solid var(--color-hairline-soft); font-size: 14px;
}
.side a.on { font-weight: 600; }

.detail { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; padding: 32px 0; }
.detail .ph { height: 360px; }
.detail h1 { font-size: 22px; font-weight: 500; letter-spacing: -0.44px; margin: 0 0 8px; }
.sku { color: var(--color-muted); font-size: 14px; margin-bottom: 12px; }
.spec { list-style: none; margin: 0 0 16px; padding: 0; font-size: 16px; }
.spec li { padding: 12px 0; border-bottom: 1px solid var(--color-hairline-soft); }
.reserve {
  border: 1px solid var(--color-hairline); border-radius: var(--rounded-md);
  padding: 24px; box-shadow: var(--shadow);
}

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 24px; height: 48px; border: 0;
  background: var(--color-primary); color: var(--color-on-primary);
  font: inherit; font-weight: 500; cursor: pointer;
  border-radius: var(--rounded-sm); margin-right: 8px;
}
.btn:hover { text-decoration: none; color: var(--color-on-primary); }
.btn-line {
  background: var(--color-canvas); color: var(--color-ink);
  border: 1px solid var(--color-ink);
}
.btn-line:hover { color: var(--color-ink); }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { border-bottom: 1px solid var(--color-hairline-soft); padding: 16px 8px; text-align: left; }
.qty { width: 56px; padding: 8px; border: 1px solid var(--color-hairline); border-radius: var(--rounded-sm); font: inherit; }

.user-list { list-style: none; margin: 0; padding: 0; }
.user-list li {
  border: 1px solid var(--color-hairline); border-radius: var(--rounded-md);
  padding: 16px; margin-bottom: 8px;
}

.footer {
  border-top: 1px solid var(--color-hairline);
  padding: 48px 0 40px; color: var(--color-muted); font-size: 13px;
}
.footer p { margin: 0 0 4px; }

@media (max-width: 800px) {
  .products { grid-template-columns: repeat(2, 1fr); }
  .layout, .detail { grid-template-columns: 1fr; }
}

.ph { overflow: hidden; }
.ph img { width: 100%; height: 100%; object-fit: cover; display: block; }